Release 4.11 sound/soc/intel/skylake/skl-sst-utils.c
/*
* skl-sst-utils.c - SKL sst utils functions
*
* Copyright (C) 2016 Intel Corp
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/uuid.h>
#include "skl-sst-dsp.h"
#include "../common/sst-dsp.h"
#include "../common/sst-dsp-priv.h"
#include "skl-sst-ipc.h"
#define UUID_STR_SIZE 37
#define DEFAULT_HASH_SHA256_LEN 32
/* FW Extended Manifest Header id = $AE1 */
#define SKL_EXT_MANIFEST_HEADER_MAGIC 0x31454124
struct UUID {
u8 id[16];
};
union seg_flags {
u32 ul;
struct {
u32 contents : 1;
u32 alloc : 1;
u32 load : 1;
u32 read_only : 1;
u32 code : 1;
u32 data : 1;
u32 _rsvd0 : 2;
u32 type : 4;
u32 _rsvd1 : 4;
u32 length : 16;
}
r;
}
__packed;
struct segment_desc {
union seg_flags flags;
u32 v_base_addr;
u32 file_offset;
};
struct module_type {
u32 load_type : 4;
u32 auto_start : 1;
u32 domain_ll : 1;
u32 domain_dp : 1;
u32 rsvd : 25;
}
__packed;
struct adsp_module_entry {
u32 struct_id;
u8 name[8];
struct UUID uuid;
struct module_type type;
u8 hash1[DEFAULT_HASH_SHA256_LEN];
u32 entry_point;
u16 cfg_offset;
u16 cfg_count;
u32 affinity_mask;
u16 instance_max_count;
u16 instance_bss_size;
struct segment_desc segments[3];
}
__packed;
struct adsp_fw_hdr {
u32 id;
u32 len;
u8 name[8];
u32 preload_page_count;
u32 fw_image_flags;
u32 feature_mask;
u16 major;
u16 minor;
u16 hotfix;
u16 build;
u32 num_modules;
u32 hw_buf_base;
u32 hw_buf_length;
u32 load_offset;
}
__packed;
#define MAX_INSTANCE_BUFF 2
struct uuid_module {
uuid_le uuid;
int id;
int is_loadable;
int max_instance;
u64 pvt_id[MAX_INSTANCE_BUFF];
int *instance_id;
struct list_head list;
};
struct skl_ext_manifest_hdr {
u32 id;
u32 len;
u16 version_major;
u16 version_minor;
u32 entries;
};
int snd_skl_get_module_info(struct skl_sst *ctx,
struct skl_module_cfg *mconfig)
{
struct uuid_module *module;
uuid_le *uuid_mod;
uuid_mod = (uuid_le *)mconfig->guid;
if (list_empty(&ctx->uuid_list)) {
dev_err(ctx->dev, "Module list is empty\n");
return -EINVAL;
}
list_for_each_entry(module, &ctx->uuid_list, list) {
if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
mconfig->id.module_id = module->id;
mconfig->is_loadable = module->is_loadable;
return 0;
}
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Shreyas NC | 76 | 69.09% | 1 | 33.33% |
| Vinod Koul | 25 | 22.73% | 1 | 33.33% |
| Dharageswari R | 9 | 8.18% | 1 | 33.33% |
| Total | 110 | 100.00% | 3 | 100.00% |
EXPORT_SYMBOL_GPL(snd_skl_get_module_info);
static int skl_get_pvtid_map(struct uuid_module *module, int instance_id)
{
int pvt_id;
for (pvt_id = 0; pvt_id < module->max_instance; pvt_id++) {
if (module->instance_id[pvt_id] == instance_id)
return pvt_id;
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dharageswari R | 42 | 80.77% | 1 | 50.00% |
| Shreyas NC | 10 | 19.23% | 1 | 50.00% |
| Total | 52 | 100.00% | 2 | 100.00% |
int skl_get_pvt_instance_id_map(struct skl_sst *ctx,
int module_id, int instance_id)
{
struct uuid_module *module;
list_for_each_entry(module, &ctx->uuid_list, list) {
if (module->id == module_id)
return skl_get_pvtid_map(module, instance_id);
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dharageswari R | 40 | 78.43% | 1 | 50.00% |
| Shreyas NC | 11 | 21.57% | 1 | 50.00% |
| Total | 51 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL_GPL(skl_get_pvt_instance_id_map);
static inline int skl_getid_32(struct uuid_module *module, u64 *val,
int word1_mask, int word2_mask)
{
int index, max_inst, pvt_id;
u32 mask_val;
max_inst = module->max_instance;
mask_val = (u32)(*val >> word1_mask);
if (mask_val != 0xffffffff) {
index = ffz(mask_val);
pvt_id = index + word1_mask + word2_mask;
if (pvt_id <= (max_inst - 1)) {
*val |= 1ULL << (index + word1_mask);
return pvt_id;
}
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dharageswari R | 79 | 76.70% | 1 | 33.33% |
| Shreyas NC | 23 | 22.33% | 1 | 33.33% |
| Dan Carpenter | 1 | 0.97% | 1 | 33.33% |
| Total | 103 | 100.00% | 3 | 100.00% |
static inline int skl_pvtid_128(struct uuid_module *module)
{
int j, i, word1_mask, word2_mask = 0, pvt_id;
for (j = 0; j < MAX_INSTANCE_BUFF; j++) {
word1_mask = 0;
for (i = 0; i < 2; i++) {
pvt_id = skl_getid_32(module, &module->pvt_id[j],
word1_mask, word2_mask);
if (pvt_id >= 0)
return pvt_id;
word1_mask += 32;
if ((word1_mask + word2_mask) >= module->max_instance)
return -EINVAL;
}
word2_mask += 64;
if (word2_mask >= module->max_instance)
return -EINVAL;
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dharageswari R | 127 | 100.00% | 1 | 100.00% |
| Total | 127 | 100.00% | 1 | 100.00% |
/**
* skl_get_pvt_id: generate a private id for use as module id
*
* @ctx: driver context
* @mconfig: module configuration data
*
* This generates a 128 bit private unique id for a module TYPE so that
* module instance is unique
*/
int skl_get_pvt_id(struct skl_sst *ctx, struct skl_module_cfg *mconfig)
{
struct uuid_module *module;
uuid_le *uuid_mod;
int pvt_id;
uuid_mod = (uuid_le *)mconfig->guid;
list_for_each_entry(module, &ctx->uuid_list, list) {
if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
pvt_id = skl_pvtid_128(module);
if (pvt_id >= 0) {
module->instance_id[pvt_id] =
mconfig->id.instance_id;
return pvt_id;
}
}
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dharageswari R | 98 | 100.00% | 2 | 100.00% |
| Total | 98 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL_GPL(skl_get_pvt_id);
/**
* skl_put_pvt_id: free up the private id allocated
*
* @ctx: driver context
* @mconfig: module configuration data
*
* This frees a 128 bit private unique id previously generated
*/
int skl_put_pvt_id(struct skl_sst *ctx, struct skl_module_cfg *mconfig)
{
int i;
uuid_le *uuid_mod;
struct uuid_module *module;
uuid_mod = (uuid_le *)mconfig->guid;
list_for_each_entry(module, &ctx->uuid_list, list) {
if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
if (mconfig->id.pvt_id != 0)
i = (mconfig->id.pvt_id) / 64;
else
i = 0;
module->pvt_id[i] &= ~(1 << (mconfig->id.pvt_id));
mconfig->id.pvt_id = -1;
return 0;
}
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Dharageswari R | 126 | 100.00% | 1 | 100.00% |
| Total | 126 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL_GPL(skl_put_pvt_id);
/*
* Parse the firmware binary to get the UUID, module id
* and loadable flags
*/
int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
unsigned int offset, int index)
{
struct adsp_fw_hdr *adsp_hdr;
struct adsp_module_entry *mod_entry;
int i, num_entry, size;
uuid_le *uuid_bin;
const char *buf;
struct skl_sst *skl = ctx->thread_context;
struct uuid_module *module;
struct firmware stripped_fw;
unsigned int safe_file;
/* Get the FW pointer to derive ADSP header */
stripped_fw.data = fw->data;
stripped_fw.size = fw->size;
skl_dsp_strip_extended_manifest(&stripped_fw);
buf = stripped_fw.data;
/* check if we have enough space in file to move to header */
safe_file = sizeof(*adsp_hdr) + offset;
if (stripped_fw.size <= safe_file) {
dev_err(ctx->dev, "Small fw file size, No space for hdr\n");
return -EINVAL;
}
adsp_hdr = (struct adsp_fw_hdr *)(buf + offset);
/* check 1st module entry is in file */
safe_file += adsp_hdr->len + sizeof(*mod_entry);
if (stripped_fw.size <= safe_file) {
dev_err(ctx->dev, "Small fw file size, No module entry\n");
return -EINVAL;
}
mod_entry = (struct adsp_module_entry *)
(buf + offset + adsp_hdr->len);
num_entry = adsp_hdr->num_modules;
/* check all entries are in file */
safe_file += num_entry * sizeof(*mod_entry);
if (stripped_fw.size <= safe_file) {
dev_err(ctx->dev, "Small fw file size, No modules\n");
return -EINVAL;
}
/*
* Read the UUID(GUID) from FW Manifest.
*
* The 16 byte UUID format is: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX
* Populate the UUID table to store module_id and loadable flags
* for the module.
*/
for (i = 0; i < num_entry; i++, mod_entry++) {
module = kzalloc(sizeof(*module), GFP_KERNEL);
if (!module)
return -ENOMEM;
uuid_bin = (uuid_le *)mod_entry->uuid.id;
memcpy(&module->uuid, uuid_bin, sizeof(module->uuid));
module->id = (i | (index << 12));
module->is_loadable = mod_entry->type.load_type;
module->max_instance = mod_entry->instance_max_count;
size = sizeof(int) * mod_entry->instance_max_count;
module->instance_id = devm_kzalloc(ctx->dev, size, GFP_KERNEL);
if (!module->instance_id) {
kfree(module);
return -ENOMEM;
}
list_add_tail(&module->list, &skl->uuid_list);
dev_dbg(ctx->dev,
"Adding uuid :%pUL mod id: %d Loadable: %d\n",
&module->uuid, module->id, module->is_loadable);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Shreyas NC | 353 | 83.25% | 1 | 20.00% |
| Dharageswari R | 47 | 11.08% | 2 | 40.00% |
| Senthilnathan Veppur | 17 | 4.01% | 1 | 20.00% |
| Colin Ian King | 7 | 1.65% | 1 | 20.00% |
| Total | 424 | 100.00% | 5 | 100.00% |
void skl_freeup_uuid_list(struct skl_sst *ctx)
{
struct uuid_module *uuid, *_uuid;
list_for_each_entry_safe(uuid, _uuid, &ctx->uuid_list, list) {
list_del(&uuid->list);
kfree(uuid);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Shreyas NC | 43 | 100.00% | 1 | 100.00% |
| Total | 43 | 100.00% | 1 | 100.00% |
/*
* some firmware binary contains some extended manifest. This needs
* to be stripped in that case before we load and use that image.
*
* Get the module id for the module by checking
* the table for the UUID for the module
*/
int skl_dsp_strip_extended_manifest(struct firmware *fw)
{
struct skl_ext_manifest_hdr *hdr;
/* check if fw file is greater than header we are looking */
if (fw->size < sizeof(hdr)) {
pr_err("%s: Firmware file small, no hdr\n", __func__);
return -EINVAL;
}
hdr = (struct skl_ext_manifest_hdr *)fw->data;
if (hdr->id == SKL_EXT_MANIFEST_HEADER_MAGIC) {
fw->size -= hdr->len;
fw->data += hdr->len;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ramesh Babu K V | 80 | 100.00% | 1 | 100.00% |
| Total | 80 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Shreyas NC | 793 | 51.03% | 1 | 11.11% |
| Dharageswari R | 600 | 38.61% | 3 | 33.33% |
| Ramesh Babu K V | 111 | 7.14% | 1 | 11.11% |
| Vinod Koul | 25 | 1.61% | 1 | 11.11% |
| Senthilnathan Veppur | 17 | 1.09% | 1 | 11.11% |
| Colin Ian King | 7 | 0.45% | 1 | 11.11% |
| Dan Carpenter | 1 | 0.06% | 1 | 11.11% |
| Total | 1554 | 100.00% | 9 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.